Home / 380,749.55-570,976.70-203,159.69

Finding the Fourth Proportional to 380,749.55, 570,976.70 and 203,159.69

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Solution

The fourth proportional to 380,749.55, 570,976.70 and 203,159.69 is: 304,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,749.55 : 570,976.70 = 203,159.69 : x
  2. Step 2: Convert to fraction form
    380,749.55/570,976.70 = 203,159.69/x
  3. Step 3: Cross multiply
    380,749.55x = 570,976.70 × 203,159.69
  4. Step 4: Simplify right side
    380,749.55x = 115,999,445,498.54
  5. Step 5: Solve for x
    x = 115,999,445,498.54/380,749.55
  6. Step 6: Final answer
    x = 304,660.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.